Fair Value Measurements (Tables)

6 Months Ended

Aug. 31, 2020

Fair Value Disclosures [Abstract]

Schedule Of Items Measured At Fair Value On A Recurring Basis

Items Measured at Fair Value on a Recurring Basis

	As of August 31, 2020
(In thousands)	Level 1			Level 2			Total
Assets:
Money market securities	$	852,767		$	—		$	852,767
Mutual fund investments	23,424			—			23,424
Derivative instruments designated as hedges	—			75			75
Total assets at fair value	$	876,191		$	75		$	876,266
Percent of total assets at fair value	100.0		%	—		%	100.0		%
Percent of total assets	4.1		%	—		%	4.1		%
Liabilities:
Derivative instruments designated as hedges	$	—		$	(9,741)		$	(9,741)
Total liabilities at fair value	$	—		$	(9,741)		$	(9,741)
Percent of total liabilities	—		%	0.1		%	0.1		%

	As of February 29, 2020
(In thousands)	Level 1			Level 2			Total
Assets:
Money market securities	$	273,203		$	—		$	273,203
Mutual fund investments	22,668			—			22,668
Total assets at fair value	$	295,871		$	—		$	295,871
Percent of total assets at fair value	100.0		%	—		%	100.0		%
Percent of total assets	1.4		%	—		%	1.4		%
Liabilities:
Derivative instruments designated as hedges	$	—		$	(23,992)		$	(23,992)
Total liabilities at fair value	$	—		$	(23,992)		$	(23,992)
Percent of total liabilities	—		%	0.1		%	0.1		%

Schedule of Carrying Values and Estimated Fair Values of Debt Instruments [Table Text Block]

(In thousands)	As of August 31, 2020		As of February 29, 2020
Carrying value	$	500,000	$	500,000
Fair value	$	553,518	$	546,197